Universal heat conduction in Ce1-xYbxCoIn5: Evidence for robust nodal d-wave superconducting gap

Xu, Y.; Petrovic, C.; Dong, J. K.; Lum, I. K.; Zhang, J.; Hong, X. C.; He, L. P.; Wang, K. F.; Ma, Y. C.; Maple, M. B.; Shu, L.; Li, S. Y.

doi:10.1103/PhysRevB.93.064502

Title: Universal heat conduction in Ce_1-xYb_xCoIn₅: Evidence for robust nodal d-wave superconducting gap

Abstract

In the heavy-fermion superconductor Ce_1-xYb_xCoIn₅, Yb doping was reported to cause a possible change from nodal d-wave superconductivity to a fully gapped d-wave molecular superfluid of composite pairs near x ≈ 0.07 (nominal value x_nom = 0.2). Here we present systematic thermal conductivity measurements on Ce_1-xYb_xCoIn₅ (x = 0.013, 0.084, and 0.163) single crystals. The observed finite residual linear term κ₀/T is insensitive to Yb doping, verifying the universal heat conduction of the nodal d-wave superconducting gap in Ce_1-xYb_xCoIn₅. Similar universal heat conduction is also observed in the CeCo(In_1–yCd_y)₅ system. Furthermore, these results reveal a robust nodal d-wave gap in CeCoIn₅ upon Yb or Cd doping.

Authors:

Xu, Y. ^[1]; Petrovic, C. ^[2]; Dong, J. K. ^[1]; Lum, I. K. ^[3]; Zhang, J. ^[1]; Hong, X. C. ^[1]; He, L. P. ^[1]; Wang, K. F. ^[2]; Ma, Y. C. ^[2]; Maple, M. B. ^[3]; Shu, L. ^[1]; Li, S. Y. ^[1]

Fudan Univ., Shanghai (People's Republic of China)
Brookhaven National Lab. (BNL), Upton, NY (United States)
Univ. of California, San Diego, La Jolla, CA (United States)

Publication Date:: Mon Feb 01 00:00:00 EST 2016

Research Org.:: Brookhaven National Lab. (BNL), Upton, NY (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

OSTI Identifier:: 1245396

Alternate Identifier(s):: OSTI ID: 1236536

Report Number(s):: BNL-111990-2016-JA
Journal ID: ISSN 2469-9950; PRBMDO; R&D Project: PM016; KC0201050

Grant/Contract Number:: SC00112704; FG02-04-ER46105; AC02-98CH10886

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review B

Additional Journal Information:: Journal Volume: 93; Journal Issue: 6; Journal ID: ISSN 2469-9950

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats


                    Xu, Y., Petrovic, C., Dong, J. K., Lum, I. K., Zhang, J., Hong, X. C., He, L. P., Wang, K. F., Ma, Y. C., Maple, M. B., Shu, L., and Li, S. Y. Universal heat conduction in Ce1-xYbxCoIn5: Evidence for robust nodal d-wave superconducting gap.  United States: N. p., 2016. 
Web.  doi:10.1103/PhysRevB.93.064502.

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                    Xu, Y., Petrovic, C., Dong, J. K., Lum, I. K., Zhang, J., Hong, X. C., He, L. P., Wang, K. F., Ma, Y. C., Maple, M. B., Shu, L., & Li, S. Y. Universal heat conduction in Ce1-xYbxCoIn5: Evidence for robust nodal d-wave superconducting gap.  United States.  https://doi.org/10.1103/PhysRevB.93.064502

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                    Xu, Y., Petrovic, C., Dong, J. K., Lum, I. K., Zhang, J., Hong, X. C., He, L. P., Wang, K. F., Ma, Y. C., Maple, M. B., Shu, L., and Li, S. Y. Mon .  
"Universal heat conduction in Ce1-xYbxCoIn5: Evidence for robust nodal d-wave superconducting gap".  United States.  https://doi.org/10.1103/PhysRevB.93.064502.  https://www.osti.gov/servlets/purl/1245396.

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@article{osti_1245396,

  title        = {Universal heat conduction in Ce1-xYbxCoIn5: Evidence for robust nodal d-wave superconducting gap},

  author       = {Xu, Y. and Petrovic, C. and Dong, J. K. and Lum, I. K. and Zhang, J. and Hong, X. C. and He, L. P. and Wang, K. F. and Ma, Y. C. and Maple, M. B. and Shu, L. and Li, S. Y.},

  abstractNote = {In the heavy-fermion superconductor Ce1-xYbxCoIn5, Yb doping was reported to cause a possible change from nodal d-wave superconductivity to a fully gapped d-wave molecular superfluid of composite pairs near x ≈ 0.07 (nominal value xnom = 0.2). Here we present systematic thermal conductivity measurements on Ce1-xYbxCoIn5 (x = 0.013, 0.084, and 0.163) single crystals. The observed finite residual linear term κ0/T is insensitive to Yb doping, verifying the universal heat conduction of the nodal d-wave superconducting gap in Ce1-xYbxCoIn5. Similar universal heat conduction is also observed in the CeCo(In1–yCdy)5 system. Furthermore, these results reveal a robust nodal d-wave gap in CeCoIn5 upon Yb or Cd doping.},

  doi          = {10.1103/PhysRevB.93.064502},

  journal      = {Physical Review B},

  number       = 6,

  volume       = 93,

  place        = {United States},

  year         = {Mon Feb 01 00:00:00 EST 2016},

  month        = {Mon Feb 01 00:00:00 EST 2016}

}

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Title: Universal heat conduction in Ce1-xYbxCoIn5: Evidence for robust nodal d-wave superconducting gap

Abstract

Citation Formats

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Visualizing heavy fermions emerging in a quantum critical Kondo lattice journal, June 2012

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Unconventional Superconductivity in CeIrI n 5 and CeCoIn 5 : Specific Heat and Thermal Conductivity Studies journal, May 2001

Unpaired Electrons in the Heavy-Fermion Superconductor CeCoIn 5 journal, August 2005

Multigap Superconductivity in the Heavy-Fermion System CeCoIn 5 journal, July 2008

Andreev Reflection in Heavy-Fermion Superconductors and Order Parameter Symmetry in CeCoIn 5 journal, April 2008

Imaging Cooper pairing of heavy fermions in CeCoIn5 journal, July 2013

Visualizing nodal heavy fermion superconductivity in CeCoIn5 journal, July 2013

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Title: Universal heat conduction in Ce_1-xYb_xCoIn₅: Evidence for robust nodal d-wave superconducting gap

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Non-Fermi liquid regimes with and without quantum criticality in Ce1-xYbxCoIn5
journal, April 2013

Nodal to Nodeless Superconducting Energy-Gap Structure Change Concomitant with Fermi-Surface Reconstruction in the Heavy-Fermion Compound ${CeCoIn}_{5}$
journal, January 2015

Molecular Pairing and Fully Gapped Superconductivity in Yb-doped ${CeCoIn}_{5}$
journal, January 2015

Electronic structure and $f$ -orbital occupancy in Yb-substituted CeCoIn $_{5}$
journal, June 2011

Extremely strong-coupling superconductivity in artificial two-dimensional Kondo lattices
journal, October 2011

Insensitivity of the pressure dependences of characteristic energy scales in Ce $_{1 - x} R_{x}$ CoIn $_{5}$ ( $R = Yb, Y, Gd$ ) to the electronic configuration of the rare-earth ion
journal, September 2012

Heat transport as a probe of superconducting gap structure
journal, May 2009

Coexistence of superconductivity and antiferromagnetism in ${CeRh}_{1 - x} {Co}_{x} {In}_{5}$
journal, November 2001

Reversible Tuning of the Heavy-Fermion Ground State in ${CeCoIn}_{5}$
journal, August 2006

Field-Induced Quantum Critical Point in ${C e C o I n}_{5}$
journal, December 2003

Heat Transport in a Strongly Overdoped Cuprate: Fermi Liquid and a Pure $d$ -Wave BCS Superconductor
journal, September 2002

Universal Heat Transport in ${Sr}_{2} {RuO}_{4}$
journal, May 2002

Localized states in a d -wave superconductor
journal, September 1993

Electronic thermal conductivity and the Wiedemann-Franz law for unconventional superconductors
journal, June 1996

Universal Heat Conduction in ${YBa}_{2} {Cu}_{3} O_{6.9}$
journal, July 1997

Effect of controlled disorder on quasiparticle thermal transport in ${Bi}_{2} {Sr}_{2} {CaCu}_{2} O_{8}$
journal, April 2001

Magnetic structure of Cd-doped $Ce Co {In}_{5}$
journal, August 2007

Interacting Antiferromagnetic Droplets in Quantum Critical ${CeCoIn}_{5}$
journal, October 2007

Transport Properties of D -Wave Superconductors with Impurities
journal, November 1995

Quasi-two-dimensional Fermi surfaces and the de Haas-van Alphen oscillation in both the normal and superconducting mixed states of CeCoIn ₅
journal, June 2001

Electronic structure of ${CeCoIn}_{5}$ from angle-resolved photoemission spectroscopy
journal, February 2009

Growth, Characterization and Fermi Surface of Heavy Fermion CeCoIn ₅ Superconductor
journal, May 2011